As I-Dom-in-8 mentioned, I have the ST200 manifold on my car. It carries the same specs as the 2000 CSVT manifold, both a double extrude honed, both have slightly large bores in them due to the honing process.
Here is the manifold, being installed on the car...

The two manifolds compared side-by-side. You can easily see the difference in the bore sizes here.

The finished result (with a little powder-coating help from BNoon.